21128841 (number)

21128841 is an odd 8-digits composite number following 21128840 and preceding 21128842. In scientific notation, it is written as 2.1128841 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13171200 positive integers (up to 21128841) that are relatively prime to 21128841.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-eight thousand eight hundred forty-one

Notation

Scientific notation 2.1128841 × 10^7
Engineering notation 2.1128841 × 10^6

Prime Factorization of 21128841

Prime Factorization 9 × 17 × 197 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21128841
Product of the distinct prime numbers

The prime factorization of 21128841 is 9 × 17 × 197 × 701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 94, 1, 112, 65, 8636, 8882, 49542, 22683, 480097, 238019, 3399562, 1003022, 59974107, 56766181, 709698503, 91093873, 7464469649, 926232169

Basic calculations (n = 21128841)

Multiplication

n×y
n×2 42257682
n×3 63386523
n×4 84515364
n×5 105644205

Division

n÷y
n÷2 10564420.5
n÷3 7042947
n÷3 5282210.25
n÷5 4225768.2

Exponentiation

ny
n2 446427922003281
n3 9.4325045819677E+21
n4 1.9929788954417E+29
n5 4.2109334198143E+36

Nth Root

y√n
2√n 4596.6119044357
3√n 276.45549392823
4√n 67.798317858452
5√n 29.172599849904

Divisors of 21128841

1, 9, 17, 153, 197, 701, 1773, 3349, 6309, 11917, 30141, 107253, 138097, 1242873, 2347649, 21128841

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21128840
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21128841 can be divided by 16 positive divisors. The sum of these divisors (counting 21128841) is 1, the average is 0.0625.

Base conversion 21128841

Base System Value
2 Binary 1010000100110011010001001
3 Ternary 1110202110022200
4 Quaternary 1100212122021
5 Quinary 20402110331
6 Senary 2032510413
8 Octal 120463211
10 Decimal 21128841
12 Duodecimal 70ab409
16 Hexadecimal 1426689
20 Vigesimal 6c1221
36 Base36 ckv49

Cryptographic Hash Functions

md5 655e43efd27e373a32775e794054dbb6
sha1 d74b9fef335a0b821ad0d74610c7d4e08b1f7cb3
sha256 c8d44b88bb2cd897bbeb0a1bb88270d4ffa3dca3844d5b437b74b0e0faeb219b
sha512 8e6e7ec7d689408d16c4bb2093e921f52b7f2ebde6e506e9130a69b0d994ff33c971da8b682aa1fc1e9a98730df51dec02cc14ddb151bc9bb97f7c8831c3f942
ripemd-160 448e07d467d418f1ebfa4e4e60c22ca7cf54dc35

21128841 as geometric shapes

Circle

Radius = n
Diameter 42257682
Circumference 132756423.32893
Area 1.4024946801229E+15

Sphere

Radius = n
Volume 3.9510782799549E+22
Surface area 5.6099787204915E+15
Circumference 132756423.32893

Square

Length = n
Perimeter 84515364
Area 446427922003281
Diagonal 29880693.499425

Cube

Length = n
Surface area 2678567532019686
Volume 9.4325045819677E+21
Space diagonal 36596226.117044

Equilateral Triangle

Length = n
Perimeter 63386523
Area 1.9330896070677E+14
Altitude 18298113.058522

Triangular Pyramid

Length = n
Surface area 1.9330896070677E+14
Volume 1.1116313255804E+21
Height 9960231.1664749